CN208219952U - A kind of recycled concrete superposed composite floor of steel plate- - Google Patents
A kind of recycled concrete superposed composite floor of steel plate- Download PDFInfo
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- CN208219952U CN208219952U CN201820563467.0U CN201820563467U CN208219952U CN 208219952 U CN208219952 U CN 208219952U CN 201820563467 U CN201820563467 U CN 201820563467U CN 208219952 U CN208219952 U CN 208219952U
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Abstract
The utility model discloses a kind of recycled concrete superposed composite floors of steel plate-, it include steel plate, cableway, plate top reinforcing bar, concrete prefabricated layer and concrete cast-in-situ layer, plate top reinforcing bar includes plate top transverse steel and plate top longitudinal reinforcement, it is connected between steel plate and plate top transverse steel by cableway, plate top longitudinal reinforcement passes through mechanical binding and fixing on the transverse steel of plate top, it is concrete prefabricated layer on steel plate, it is connected between adjacent steel plate by girder steel, overlap joint is used between concrete prefabricated layer and girder steel or is bolted fixation, casting concrete forms in-situ layer concrete layer above concrete prefabricated layer and between adjacent concrete prefabricated layer.The part that preformed layer is in contact with in-situ layer forms overlapping layers.The utility model can realize constructing without supportization for long span building structure, and speed of application is fast, construction quality is high, while can reduce the carbon emission of building structure life cycle management, save natural sand stone demand, reduce the influence to natural environment.
Description
Technical field
The utility model belongs to a kind of building structure floor, and in particular to a kind of recycled concrete superposed combination building of steel plate-
Plate.
Background technique
Currently, China is in the extensive Urbanization Construction stage, the demand of natural sand stone is not only increased, and produce
A large amount of discarded concretes have been given birth to, has cut into a mountain for quarrying and larger impact is produced to natural environment with discarded concrete disposition；At the same time,
Steel construction and steel-concrete combined structure comply with the development trend of building industrialization, using wide in executive information systems
It is general, and according to functional requirement is used, the design span of building floor is increasing.It is combined as steel construction and steel-concrete
The main level primary structure member of structure, Composite Slab with Metal Deck are primarily present following deficiency at present: one, composite floor is to day
The demand of right sandstone is larger, increases building carbon emission amount, the influence to natural environment is serious；Two, composite floor construction is more
By the way of site welding shear connector, poured in place concrete, welding capacity is big, construction quality is low and long construction period；
Three, it is larger to also serve as the compoboard bottom tension steel member of the construction formwork primary stress under self weight and construction loads effect, reduces
The safety stock of building structure serviceability limit stage；Four, for long span building structure, the biggish building floor of thickness is occupied
More space reduces the economy of building structure.
To sum up, that there are carbon emission amounts is big, site welding amount is big, construction quality for large span Composite Slab with Metal Deck at present
The disadvantages such as poor, long construction period and economy are low.
Utility model content
The purpose of the utility model is to provide a kind of recycled concrete superposed combination buildings of steel plate-suitable for large span
Plate, the composite floor have the characteristics that carbon emission amount is small, site welding amount is small, short construction period and economy are high.
In order to solve the problems existing in the prior art, the technical solution adopted in the utility model is:
A kind of recycled concrete superposed composite floor of steel plate-includes that steel plate, cableway, plate top reinforcing bar, concrete are pre-
Preparative layer and concrete cast-in-situ layer, the plate top reinforcing bar include plate top transverse steel and plate top longitudinal reinforcement, steel plate and Ban Ding
It is connected between transverse steel by cableway, plate top longitudinal reinforcement passes through mechanical binding and fixing on the transverse steel of plate top, steel
It is concrete prefabricated layer on plate, is connected between adjacent steel plate by girder steel, using overlap joint between concrete prefabricated layer and girder steel
Or it is bolted fixation, casting concrete forms existing between the upper surface of concrete prefabricated layer and adjacent concrete prefabricated layer
Layer concrete layer is poured, the part that concrete prefabricated layer is in contact with in-situ layer concrete layer forms overlapping layers.
The concrete prefabricated layer is made of regeneration concrete.
The overlapping layers uses hair pulling treatment.
The regeneration concrete is in regenerated coarse aggregate concrete, recycled fine aggregate concrete or renewable hybrid concrete
One kind.
It is connected between the concrete prefabricated layer and girder steel using overlap joint, is welded with shear connector on girder steel.
The shear connector is one of flexible shear connector or rigid shearing connecting piece.
It is connected between the concrete prefabricated layer and girder steel by bolt, the end of concrete prefabricated layer and girder steel upper limb
The quantity of edge prepared screw-bolt hole, bolt hole is determined according to the shearing Connected degree of design and the shearing strength of bolt.
The steel plate uses regular tenacity steel or high-strength steel, is coated with anti-corrosion and fire proofing wood in steel plate bottom surface
Material, steel plate thickness are 6mm ~ 16mm.
Advantage possessed by the utility model is with beneficial effect:
The recycled concrete superposed composite floor of a kind of steel plate-of the utility model, due to including steel plate, cableway, plate
Reinforcing bar, concrete prefabricated layer and concrete cast-in-situ layer are pushed up, the plate top reinforcing bar includes that plate top transverse steel and plate top are longitudinal
Reinforcing bar, by cableway by bottom steel plate in conjunction with the transverse steel of plate top, and pass through longitudinal steel at the top of mechanical binding and fixing plate
Muscle.Regeneration concrete is poured, steel plate-regeneration concrete preformed layer is formed；Concrete prefabricated layer is connected by overlap joint or bolt
It the modes such as connects and is fixed on girder steel top, be combined the concreting of floor in-situ layer, form complete steel plate-regeneration coagulation
Soil overlapping composite floor.The recycled concrete superposed composite floor of the steel plate-of the utility model due to use thicker bottom steel plate,
It not only solves current large span floor and occupies the poor disadvantage of space, economy；The closed effect of steel plate is eliminated simultaneously
The limit of crack opening requirement in building floor sagging moment area.It can be achieved to construct without supportization, be applied than existing cast-in-place compoboard
Work speed is fast, construction quality is high, while can reduce the carbon emission of building structure life cycle management, saves natural sand stone demand
The influence of amount, reduction to natural environment.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional structure diagram of the recycled concrete superposed composite floor of steel plate-of the utility model；
Fig. 2 is the node schematic diagram of concrete prefabricated layer and girder steel overlap joint connection；
Fig. 3 is the schematic cross-section of concrete prefabricated layer and girder steel overlap joint connection；
Fig. 4 is concrete prefabricated layer and the bolted node schematic diagram of girder steel；
Fig. 5 is concrete prefabricated layer and the bolted schematic cross-section of girder steel.
Specific embodiment
Embodiment 1:
As shown in Figs. 1-3: a kind of recycled concrete superposed composite floor of steel plate-includes steel plate 1, cableway 2, plate
Pushing up reinforcing bar 3, concrete prefabricated layer 4 and concrete cast-in-situ layer 5, the plate top reinforcing bar includes plate top transverse steel 3-1 and plate
Push up longitudinal reinforcement 3-2, the steel plate 1 uses regular tenacity steel or high-strength steel, steel plate bottom surface be coated with anti-corrosion and
Fire proofing material, steel plate thickness are 6mm ~ 16mm.It is connected between steel plate 1 and plate top transverse steel 3-1 by cableway 2, plate top
Longitudinal reinforcement 3-2 passes through mechanical binding and fixing on the transverse steel 3-1 of plate top, is concrete prefabricated layer 4, adjacent steel on steel plate
Between plate by girder steel 6 be connected, between concrete prefabricated layer and girder steel 6 using overlap joint be connected and fixed, concrete prefabricated layer 4 it is upper
Casting concrete forms in-situ layer concrete layer 5 between face and adjacent concrete prefabricated layer 4.Concrete prefabricated layer 4 with it is existing
It pours the part that layer concrete layer 5 is in contact and forms overlapping layers.Shear connector 7 is welded on girder steel 6.The shear connector
7 be one of flexible shear connector or rigid shearing connecting piece.
Multiple section form and processing technology can be used according to design requirement in the girder steel, such as: hot rolling I-steel, weldering
Connect I-steel, welding box-shaped beam etc..
Regular tenacity steel or high-strength steel can be used in bottom steel plate, and anti-corrosion and fire proofing material, steel are smeared in steel plate bottom surface
Plate thickness use 6mm ~ 16mm, upper thickness limit by compoboard balanced depth of compression zone control.
The concrete prefabricated layer 4, processes in factory for prefabrication and is transported to construction site.Described is concrete prefabricated
Layer 4 is made of regeneration concrete.The overlapping layers uses hair pulling treatment, increases the contact of pre-erection and cast-in-place part
Area.The regeneration concrete is in regenerated coarse aggregate concrete, recycled fine aggregate concrete or renewable hybrid concrete
It is a kind of.
As shown in Figure 2,3, concrete prefabricated layer 4 is connected by flexible shear connector or the rigid overlap joint of shearing connecting piece 7
It connects and is fixed on girder steel 6, the plate top longitudinal reinforcement 3-2 at the top of composite floor is connected by the way of sleeve connection, is combined
The cast-in-place layer concrete 5 of floor pours, and forms the recycled concrete superposed composite floor of complete steel plate-.The shear connections
Part 7 is one of flexible shear connector or rigid shearing connecting piece.
Embodiment 2:
As shown in figures 1,4 and 5, concrete prefabricated layer 4 is connected by bolt 8 with girder steel 6 in the present embodiment, and concrete is pre-
The end of preparative layer and girder steel top flange prepared screw-bolt hole, the quantity and size of bolt hole are according to the shearing resistance for shearing Connected degree and bolt
Intensity is designed, other compositions and connection relationship are the same as example 1.
Claims (8)
1. a kind of recycled concrete superposed composite floor of steel plate-, it is characterised in that: include steel plate (1), cableway (2), plate
Pushing up reinforcing bar, concrete prefabricated layer (4) and concrete cast-in-situ layer (5), the plate top reinforcing bar includes plate top transverse steel (3-1)
With plate top longitudinal reinforcement (3-2), it is connected between steel plate (1) and plate top transverse steel (3-1) by cableway (2), plate top is vertical
Pass through mechanical binding and fixing on plate top transverse steel (3-1) to reinforcing bar (3-2), is concrete prefabricated layer (4) on steel plate, it is adjacent
Steel plate between be connected by girder steel (6), using overlapping or be bolted fixation between concrete prefabricated layer and girder steel (6),
Casting concrete forms cast-in-place layer concrete between the upper surface of concrete prefabricated layer (4) and adjacent concrete prefabricated layer (4)
Layer (5), the part that concrete prefabricated layer (4) is in contact with in-situ layer concrete layer (5) form overlapping layers.
2. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 1, it is characterised in that: described is mixed
Solidifying soil preformed layer (4) is made of regeneration concrete.
3. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 2, it is characterised in that: described is folded
It closes layer and uses hair pulling treatment.
4. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 2, it is characterised in that: it is described again
Growing concrete is one of regenerated coarse aggregate concrete, recycled fine aggregate concrete or renewable hybrid concrete.
5. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 1-4, it is characterised in that:
It is connected between the concrete prefabricated layer and girder steel (6) using overlap joint, is welded with shear connector (7) on girder steel (6).
6. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 5, it is characterised in that: described is anti-
Cutting connector (7) is one of flexible shear connector or rigid shearing connecting piece.
7. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 1-4, it is characterised in that:
It is connected between the concrete prefabricated layer and girder steel (6) by bolt (8), the end and girder steel top flange of concrete prefabricated layer
The quantity of prepared screw-bolt hole, bolt hole is determined according to the shearing Connected degree of design and the shearing strength of bolt.
8. the recycled concrete superposed composite floor of a kind of steel plate-according to claim 1-4, it is characterised in that:
The steel plate (1) uses regular tenacity steel or high-strength steel, is coated with anti-corrosion and fire proofing material, steel plate in steel plate bottom surface
With a thickness of 6mm ~ 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563467.0U CN208219952U (en) | 2018-04-19 | 2018-04-19 | A kind of recycled concrete superposed composite floor of steel plate- |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563467.0U CN208219952U (en) | 2018-04-19 | 2018-04-19 | A kind of recycled concrete superposed composite floor of steel plate- |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208219952U true CN208219952U (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820563467.0U Expired - Fee Related CN208219952U (en) | 2018-04-19 | 2018-04-19 | A kind of recycled concrete superposed composite floor of steel plate- |
Country Status (1)
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| CN (1) | CN208219952U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532810A (en) * | 2018-04-19 | 2018-09-14 | 沈阳建筑大学 | A kind of recycled concrete superposed composite floor of steel plate- |
| CN111559889A (en) * | 2020-03-25 | 2020-08-21 | 西安建筑科技大学 | Self-repairing concrete, prefabricated recycled aggregate concrete composite floor slab and preparation method |
| CN113152810A (en) * | 2021-05-10 | 2021-07-23 | 江苏科技大学 | Light steel building bearing type superposed stair and construction method |
-
2018
- 2018-04-19 CN CN201820563467.0U patent/CN208219952U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532810A (en) * | 2018-04-19 | 2018-09-14 | 沈阳建筑大学 | A kind of recycled concrete superposed composite floor of steel plate- |
| CN111559889A (en) * | 2020-03-25 | 2020-08-21 | 西安建筑科技大学 | Self-repairing concrete, prefabricated recycled aggregate concrete composite floor slab and preparation method |
| CN113152810A (en) * | 2021-05-10 | 2021-07-23 | 江苏科技大学 | Light steel building bearing type superposed stair and construction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20210419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |